Answer
$20$
Work Step by Step
Substituting the values $x=-6$ and $y=4$ into the expression and then simplifying, we obtain:
$x^{2}-y^{2}$
=$(-6)^{2}-(4)^{2}$
=$36-16$
=$20$
Elementary Algebra
by Kaufmann, Jerome; Schwitters, Karen;
Published by
Cengage Learning
ISBN 10:
1285194055
ISBN 13:
978-1-28519-405-9
Chapter 7 - Algebraic Fractions - Chapters 1-7 Cumulative Review Problem Set - Page 324: 5
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.
